| APA | NOS. (2012, February 14). In Acronym Geek. Retrieved 04:23, February 14, 2012, from http://www.acronymgeek.com/NOS |
| MLA | "NOS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NOS>. |
| MHRA | 'NOS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NOS> [accessed 14 February 2012] |
| Chicago | "NOS", http://www.acronymgeek.com/NOS (accessed February 14, 2012). |
| CBE/CSE | NOS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NOS. |
| Bluebook | NOS, http://www.acronymgeek.com/NOS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NOS, http://www.acronymgeek.com/NOS (optional description here) (as of Feb. 14, 2012, 04:23). |
| AMA | NOS. Acronym Geek. February 14, 2012, 04:23. Available at: http://www.acronymgeek.com/NOS. Accessed February 14, 2012, 04:23. |